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This line bypassed Clearfield and extended south to Mahaffey and eventually into Indiana County. Other rail lines included the Buffalo, Rochester and Pittsburgh Railroad 's extension down Anderson Creek to Clearfield, NYC's extension to Clearfield and down the Susquehanna River to Keating, and the Bell's Gap Railroad , which ran through the ...
The Lackawanna Steel Company built a large integrated steel works near Buffalo, which began producing steel from Lake Superior ore in 1903. The company had made steel in Scranton, Pennsylvania since 1840, but moved to provide easier access to iron ore, and in an unsuccessful attempt to avoid labor troubles.
The heavy isotope 15 N was first discovered by S. M. Naudé in 1929, and soon after heavy isotopes of the neighbouring elements oxygen and carbon were discovered. [37] It presents one of the lowest thermal neutron capture cross-sections of all isotopes. [ 38 ]
Both Delaware and Susquehannock power had been broken by disease and wars between Native American tribes before the British took over the Dutch and Swedish colonies and settled Pennsylvania. The first discovery of anthracite coal in the region occurred in 1762, and the first mine was established 13 years later, in 1775 near present-day Pittston ...
Following the work by Claude Louis Berthollet published in 1784, chemists knew ammonia to be a nitrogen compound. [23] Early attempts to synthesize ammonia were performed in 1795 by Georg Friedrich Hildebrandt. Several others were made during the nineteenth century. [24] In the 1870s, ammonia was an unwanted byproduct of making manufactured gas.
The output of the iron and steel industry burgeoned during the late nineteenth and early twentieth century as demand for steel products surged. To meet the corresponding demand for coke, Pittsburgh-seam mines vastly increased their production from 4.3 million tons of coal in 1880 to a peak of forty million tons in 1916.
A man found frozen in a Pennsylvania cave in 1977 has finally been identified, closing the book on a nearly 50-year-long mystery. The Berks County Coroner’s Office identified the remains of the ...
It focuses on the corporation's history with steel-making. [5] This exhibit serves to present insight into the daily lives of workers part of Bethlehem Steel which employed 31,000 people at peak. [4] The three Bethlehem Steel plant models showcased in this exhibit were used training employees and testing out modifications to the factories. [10]